<!DOCTYPE html>
<html lang="zh-CN">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>冰与火之歌渐变背景</title>
    <style>
        body, html {
            margin: 0;
            padding: 0;
            height: 100%;
        }

        .gradient-background {
            background-image: linear-gradient(to right, #00bfff, #ff4500); /* 从冰蓝到火红 */
            height: 100vh; /* 设置高度为视口高度 */
            display: flex;
            justify-content: center;
            align-items: center;
            color: white;
            font-size: 24px;
            font-family: 'Arial', sans-serif;
        }
    </style>
</head>
<body>
<div class="gradient-background">
    A Song of Ice and Fire
</div>
</body>
</html>
